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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
#include "tusb_option.h"
#if TUSB_OPT_HOST_ENABLED || TUSB_OPT_DEVICE_ENABLED
#include "tusb.h"
static bool _initialized = false;
// TODO clean up
#if TUSB_OPT_DEVICE_ENABLED
#include "device/usbd_pvt.h"
#endif
bool tusb_init(void)
{
// skip if already initialized
if (_initialized) return true;
#if TUSB_OPT_HOST_ENABLED
TU_ASSERT( tuh_init() ); // init host stack
#endif
#if TUSB_OPT_DEVICE_ENABLED
TU_ASSERT ( tud_init() ); // init device stack
#endif
_initialized = true;
return true;
}
bool tusb_inited(void)
{
return _initialized;
}
/*------------------------------------------------------------------*/
/* Debug
*------------------------------------------------------------------*/
#if CFG_TUSB_DEBUG
#include <ctype.h>
char const* const tusb_strerr[TUSB_ERROR_COUNT] = { ERROR_TABLE(ERROR_STRING) };
static void dump_str_line(uint8_t const* buf, uint16_t count)
{
tu_printf(" |");
// each line is 16 bytes
for(uint16_t i=0; i<count; i++)
{
const char ch = buf[i];
tu_printf("%c", isprint(ch) ? ch : '.');
}
tu_printf("|\r\n");
}
/* Print out memory contents
* - buf : buffer
* - count : number of item
* - indent: prefix spaces on every line
*/
void tu_print_mem(void const *buf, uint32_t count, uint8_t indent)
{
uint8_t const size = 1; // fixed 1 byte for now
if ( !buf || !count )
{
tu_printf("NULL\r\n");
return;
}
uint8_t const *buf8 = (uint8_t const *) buf;
char format[] = "%00X";
format[2] += 2*size;
const uint8_t item_per_line = 16 / size;
for(unsigned int i=0; i<count; i++)
{
unsigned int value=0;
if ( i%item_per_line == 0 )
{
// Print Ascii
if ( i != 0 )
{
dump_str_line(buf8-16, 16);
}
for(uint8_t s=0; s < indent; s++) tu_printf(" ");
// print offset or absolute address
tu_printf("%04X: ", 16*i/item_per_line);
}
memcpy(&value, buf8, size);
buf8 += size;
tu_printf(" ");
tu_printf(format, value);
}
// fill up last row to 16 for printing ascii
const uint32_t remain = count%16;
uint8_t nback = (remain ? remain : 16);
if ( remain )
{
for(uint32_t i=0; i< 16-remain; i++)
{
tu_printf(" ");
for(int j=0; j<2*size; j++) tu_printf(" ");
}
}
dump_str_line(buf8-nback, nback);
}
#endif
#endif // host or device enabled
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